MIC2920A-12WS

Product Overview

Category

The MIC2920A-12WS belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Thermal shutdown protection
• Short-circuit current limiting

Package

The MIC2920A-12WS comes in a TO-263 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, even when the input voltage varies.

Packaging/Quantity

The MIC2920A-12WS is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 26V
• Output Voltage: 12V
• Dropout Voltage: 380mV (typical)
• Output Current: Up to 1.5A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2920A-12WS has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• High output current capability allows it to power a wide range of devices.
• Thermal shutdown protection prevents damage due to excessive heat.
• Short-circuit current limiting protects the regulator and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage.
• Wide input voltage range.
• High output current capability.
• Thermal shutdown protection.
• Short-circuit current limiting.

Disadvantages

• Limited output voltage options (only 12V in this model).
• Requires external capacitors for stability.

Working Principles

The MIC2920A-12WS uses a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output voltage, even when the input voltage varies.

Detailed Application Field Plans

The MIC2920A-12WS is commonly used in various applications, including:

1. Power supply circuits for microcontrollers and other digital ICs.
2. Battery-powered devices requiring a stable voltage source.
3. Automotive electronics, such as car audio systems and navigation devices.
4. Industrial control systems and automation equipment.
5. Communication equipment, such as routers and modems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2920A-12WS include:

1. LM317: A popular adjustable voltage regulator with a wide input voltage range.
2. LT1086: A high-current, low dropout voltage regulator suitable for demanding applications.
3. LM1117: A series of fixed-output voltage regulators available in various voltage options.

These alternative models can be considered based on specific requirements and design constraints.

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